diff --git a/data/old_grade.txt b/data/old_grade.txt
index 2fd8aa3..e7359c3 100644
--- a/data/old_grade.txt
+++ b/data/old_grade.txt
@@ -1 +1 @@
-c5764fed90a32c7e4f70b805971c339d
\ No newline at end of file
+9ef940a866feae17d2bcfedaa6e9478f
\ No newline at end of file